<?php

namespace Yzh\Model\Authentication;

use Yzh\Model\BaseModel;
use Yzh\Model\ResponseDataInterface;

/**
 * 银行卡四要素鉴权请求（下发短信验证码）返回
 * Class BankCardFourAuthVerifyResponseData
 */
class BankCardFourAuthVerifyResponseData extends BaseModel implements ResponseDataInterface
{
  /**
   * 交易凭证
   * @var string
   */
  protected $ref;

  /**
   * 交易凭证
   *  @var string $ref
   */
  public function setRef($ref)
  {
    $this->ref = $ref;
  }


  /**
   * 交易凭证
   * @var string
   */
  public function getRef()
  {
    return $this->ref;
  }
}
